North America Distribution

Facts About

One-rowed water-cress, native to Europe, is introduced in much of the rest of the world, due to its popularity as a salad green. It is persistent in small bodies of water such as streams, ditches and seeps.

1×2.
Nasturtium microphyllum
×
Nasturtium officinale
→Nasturtium×‌sterile
(Airy-Shaw) Oefel. is a rare water-cress hybrid in New England known from
CT, NH. It is recognized by its sterile siliques, which do not produce well-formed seeds.